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Higher Biology > Unit 3-Photosynthesis > Flashcards

Unit 3-Photosynthesis Flashcards

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1
Q

Production of carbohydrate by a plant using the energy of light

A

Photosynthesis

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2
Q

When light energy is captured by pigments in the leaf

A

Absorption

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3
Q

When light energy passes through the surface of the leaf

A

Transmission

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4
Q

When light energy bounces off the surface of the leaf

A

Reflection

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5
Q

Graph showing wavelengths of light absorbed by a pigment

A

Absorption spectrum

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6
Q

Graph showing the wavelengths of light actively involved in photosynthesis

A

Action spectrum

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7
Q

Green pigment molecule in plants that absorbs red and blue light for photosynthesis

A

Chlorophyll A and B

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8
Q

Orange and yellow accessory pigments in plants. Extend the range of wavelengths absorbed by photosynthesis and pass the energy to chlorophyll.

A

Carotene

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9
Q

Membrane-bound enzyme that synthesises ATP

A

ATP-synthase

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10
Q

Breakdown of water molecules using energy from light

A

Photolysis

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11
Q

Coenzyme. Hydrogen carrier in photosynthesis

A

NADP

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12
Q

The enzyme which fixes carbon dioxide by attaching it to RuBP in the Calvin cycle

A

RuBisCo

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13
Q

Acceptor of carbon dioxide in the Calvin cycle

A

Ribulose Biphosphate (RuBP)

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14
Q

Second stage of photosynthesis

A

Carbon fixation (Calvin Cycle)

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15
Q

Produced when CO2 is fixed to RuBP by RuBisCo

A

3-phosphoglycerate (3PG)

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16
Q

Compound in the Calvin cycle that can be converted to glucose or used to regenerate RuBP

A

Glyceraldehyde-3-phosphate. (G3P)

17
Q

Structural carbohydrate in cell walls derived from photosynthesis

A

Cellulose

18
Q

Storage carbohydrate derived from photosynthesis

A

Starch

19
Q

Carbohydrate produced during photosynthesis, which can be used immediately for respiration.

A

Glucose

20
Q

The increase in mass due to photosynthesis minus the loss due to respiration and can be measured by the increase in dry mass per unit leaf area.

A

Net Assimilation

21
Q

The rate of generation of new biomass per unit area per unit of time

A

Productivity

Higher Biology (24 decks)

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